General

  • Target

    1a634a15b9e10d09d97771f2f04cb2d79d8284301213076d8b26cb2c4899e137

  • Size

    717KB

  • Sample

    211014-tnx32sagdj

  • MD5

    0d932bf7f49ddaf83e38f653199aea45

  • SHA1

    4e2c44393ed2cb5f9ca76a836c8ee7724e1b74b0

  • SHA256

    1a634a15b9e10d09d97771f2f04cb2d79d8284301213076d8b26cb2c4899e137

  • SHA512

    0eeca4dcd0f50a6ec68fbe959a031b7d058525f66893dfe65ed29310444c58baf5427ac6d55cca7634628d59d589feca9127623e423086391dad86c11e026c43

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

1008

C2

https://mas.to/@oleg98

Attributes
  • profile_id

    1008

Targets

    • Target

      1a634a15b9e10d09d97771f2f04cb2d79d8284301213076d8b26cb2c4899e137

    • Size

      717KB

    • MD5

      0d932bf7f49ddaf83e38f653199aea45

    • SHA1

      4e2c44393ed2cb5f9ca76a836c8ee7724e1b74b0

    • SHA256

      1a634a15b9e10d09d97771f2f04cb2d79d8284301213076d8b26cb2c4899e137

    • SHA512

      0eeca4dcd0f50a6ec68fbe959a031b7d058525f66893dfe65ed29310444c58baf5427ac6d55cca7634628d59d589feca9127623e423086391dad86c11e026c43

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • Downloads MZ/PE file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks